* {
    margin: 0;
    padding: 0;
}

body {
    position: fixed;
    width: 100%;
    height: 100%!important;
    overflow: hidden;
}

body #webcam {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 100%;
    video {
        width: 100%;
        height: 100%;
    }
    button {
        position: absolute;
        top: 10%;
        &.fchangeCam {
            left: 10%;
        }
        &.lchangeCam {
            left: 50%;
        }
    }
    
}